vitamin b12 injection im or subq Compounded Cyanocobalamin (Vitamin B12) Subcutaneous vs intramuscular 💉what's the

S., Saravanan, P., Tripathi, G., McTernan, P

Dosing information Usual Adult Dose for Pernicious Anemia: Initial dose: 100 mcg intramuscularly or deep subcutaneous once a day for 6 to 7 days If clinical improvement and reticulocyte response is seen from the above dosing: 100 mcg every other day for 7 doses, then: 100 mcg every 3 to 4 days for 2 to 3 weeks, then: Maintenance dose: 100 to 1000 mcg monthly Duration of therapy: Life Comments: Administer concomitant folic acid if needed

When vial-size variants exist, they remain separate because vial strength, concentration, and syringe-unit calculations can differ

There are key differences between the two methods for treating B12 deficiency, although both aim to address the issue

B12 is found in animal-based sources such as meat, fish, poultry, eggs, and dairy products